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High resolution Magnetic Resonance Imaging (MRI) requires long acquisition time to obtain the fully sampled k-space data for image reconstruction. Compressed Sensing (CS) theory has recently been utilized to accelerate the image reconstruction speed by sparsely sampling the k-space. In this work, the CS framework was combined with the Tight Wavelet Frame (TWF) transform to further enhance edges/boundaries...
A flexible substrate electrochemical biosensor was successfully printed on a polyethylene terephthalate (PET) film with silver (Ag) electrodes using silver nanoparticle based ink. The electrochemical impedance spectroscopy (EIS) response of the printed sensor for detecting low concentrations of bio/chemical species revealed a very high sensitivity at pico molar (pM) concentration levels of D-Proline,...
AFM (Atomic Force Microscopy) and OSP (Optical Surface Profiling) have been applied to measure the surfaces of spider silks — both radials and capture silks- at the nano- and micro-scale.
This paper presents a novel WLAN-based system configuration employing Coded Multi-Carrier Code-Division- Multiplexing technology (CMC-CDM), as a potentially superior alternative to the currently standardized Coded OFDM (COFDM) technology. To further improve the performance of the system and reduce its complexity, a new concept of Chase detection is applied at the receiver. A comprehensive investigation...
When disasters and crises arise visual information needs to be rapidly gathered and assessed in order to assist rescue workers and emergency personnel. Often such situations are life-threatening and people cannot safely obtain such information. Disasters in urban areas are particularly taxing. Structural collapse, damaged staircases and the loss communication infrastructures aggravate rescue efforts...
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